Stainless Steel 422 (AMS 5655)

Technical Data Sheet

Alloy 422 is a hardenable stainless steel designed for use at temperatures of up to 1200ºF (649ºC). Alloy 422 has good resistance to scaling and oxidation. Through heat treatment, high mechanical properties can be developed. Alloy 422 is used in applications such as compressors or steam turbines and also in aircraft parts, valves, high temperature bolting etc.

Chemical Composition Limits
Weight% C P Si Ni V Fe Mn S Cr Mo W Cu
Alloy 422
0.20-0.25 0.040 max 0.20-0.60 0.50-1.0 0.17-0.30 Bal 1.0 0.030 max 11.0-13.5 0.75-1.25 0.75-1.25 0.50

Typical Mechanical Properties


Material Condition
0.2 % Yield Strength (ksi) Ultimate Tensile Strength (ksi) % Elongation in 2" % Reduction of Area Hardness HB
Alloy 422 Hardened & Tempered (AMS 5655) 140 115 13 25 293-341

Alloy 422 is available as Bar (Round, Shapes), Billet, Wire, Strip. For all stock availability contact Sales.

UNS S42200
AISI 616
AMS 5655 Bars / wire/ forging H&T
ASTM A 565 GRD 616
DOD F 24669/7
MIL S 861
B50A125 (Cap of)
B50A951A1 (Cap of)
BS 970; 442S19

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Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.